CVE-2022-49725
Last modified
CVE-2022-49725 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: i40e: Fix call trace in setup_tx_descriptors After PF reset and ethtool -t there was call trace in dmesg sometimes leading to panic. When there was some time, around 5 seconds, between reset and test there were no errors. Problem was that pf reset calls i40e_vsi_close in prep_for_reset and ethtool -t calls i40e_vsi_close in diag_test. EPSS estimates a 0.28% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: i40e: Fix call trace in setup_tx_descriptors After PF reset and ethtool -t there was call trace in dmesg sometimes leading to panic. When there was some time, around 5 seconds, between reset and test there were no errors. Problem was that pf reset calls i40e_vsi_close in prep_for_reset and ethtool -t calls i40e_vsi_close in diag_test. If there was not enough time between those commands the second i40e_vsi_close starts before previous i40e_vsi_close was done which leads to crash. Add check to diag_test if pf is in reset and don't start offline tests if it is true. Add netif_info("testing failed") into unhappy path of i40e_diag_test()
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 4.2, < 4.14.285 | — |
| Linux | Linux Kernel | >= 4.15, < 4.19.249 | — |
| Linux | Linux Kernel | >= 4.20, < 5.4.200 | — |
| Linux | Linux Kernel | >= 5.5, < 5.10.124 | — |
| Linux | Linux Kernel | >= 5.11, < 5.15.49 | — |
| Linux | Linux Kernel | >= 5.16, < 5.18.6 | — |
| Linux | Linux Kernel | 5.19 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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